diff options
| -rw-r--r-- | fs/f2fs/super.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 2be3a3d3cafa..114e163b9965 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -458,6 +458,8 @@ static int sanity_check_ckpt(struct f2fs_sb_info *sbi) unsigned int total, fsmeta; struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); + unsigned int main_segs, blocks_per_seg; + int i; total = le32_to_cpu(raw_super->segment_count); fsmeta = le32_to_cpu(raw_super->segment_count_ckpt); @@ -469,6 +471,22 @@ static int sanity_check_ckpt(struct f2fs_sb_info *sbi) if (fsmeta >= total) return 1; + main_segs = le32_to_cpu(sbi->raw_super->segment_count_main); + blocks_per_seg = sbi->blocks_per_seg; + + for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) { + if (le32_to_cpu(ckpt->cur_node_segno[i]) >= main_segs || + le16_to_cpu(ckpt->cur_node_blkoff[i]) >= blocks_per_seg) { + return 1; + } + } + for (i = 0; i < NR_CURSEG_DATA_TYPE; i++) { + if (le32_to_cpu(ckpt->cur_data_segno[i]) >= main_segs || + le16_to_cpu(ckpt->cur_data_blkoff[i]) >= blocks_per_seg) { + return 1; + } + } + if (is_set_ckpt_flags(ckpt, CP_ERROR_FLAG)) { f2fs_msg(sbi->sb, KERN_ERR, "A bug case: need to run fsck"); return 1; |